package com.example.demo.common;

import lombok.Data;

import java.util.HashMap;
import java.util.Map;

/**
 *通用的返回结果，封装服务端返回的对象
 * @param <T>
 */
@Data
public class R<T> {
    private Integer code;//1成功，0失败
    private String msg;//错误信息
    private T data;//数据
    private Map<String,Object> map = new HashMap<>();//动态数据
    public static <T> R<T> success(T object){
        R<T> r = new R<T>();
        r.data = object;
        r.code = 1;
        return r;
    }
    public static <T> R<T> error(String msg){
        R<T> r = new R<>();
        r.msg = msg;
        r.code = 0;
        return r;
    }
    public R<T> add(String key, Object value){
        this.map.put(key,value);
        return this;
    }

}
